<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加商品</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 2 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1 导入echarts
// import echarts from 'echarts'
import _ from 'lodash'

export default {
  props: {},
  data() {
    return {
        // 需要合并的数据
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    };
  },
  created() {},
  // 此时 页面上的元素，已经被渲染完毕了
  async mounted() {
    // 3 基于准备好的dom，初始化echarts实例
    var myChart = this.$echarts.init(document.getElementById("main"));
    
    const{data:res}= await this.$http.get('reports/type/1')
    if(res.meta.status !==200){
        return this.$message.error('获取折线图失败')
    }
      
    // 4 数据配置
    const result=_.merge(res.data,this.options)
    // 5 展示数据
    myChart.setOption(result);
  },
  methods: {},
  components: {},
};
</script>
 
<style scoped lang="less">
</style>
